Items
Subject is exactly
Multiple telegraphy (duplex, quadruplex)
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[D0628AAA2], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 3rd, 1906
1906-02-03 -
[D0628AAB], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 6th, 1906
1906-02-06 -
[D0628AAC], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 18th, 1906
1906-02-18 -
[D0628AAD], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 23rd, 1906
1906-02-23 -
[D0628AAE], Letter from Josiah Custer Reiff to Thomas Alva Edison, May 3rd, 1906
1906-05-03 -
[D0628AAF], Letter from Josiah Custer Reiff to Thomas Alva Edison, June 18th, 1906
1906-06-18 -
[D0628AAH], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 3rd, 1906
1906-07-03 -
[D0628AAI], Letter from Josiah Custer Reiff to John Notman, June 29th, 1906
1906-06-29 -
[D0628AAJ], Letter from John Notman to Josiah Custer Reiff, July 2nd, 1906
1906-07-02 -
[D0628AAK], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 6th, 1906
1906-07-06 -
[D0628AAL], Letter from Thomas Alva Edison to Josiah Custer Reiff, July 7th, 1906
1906-07-07 -
[D0628AAM], Letter from Edward Hibberd Johnson to Josiah Custer Reiff, July 12th, 1906
1906-07-12 -
[D0628AAN], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 19th, 1906
1906-07-19 -
[D0628AAP], Letter from Josiah Custer Reiff to John Notman, July 19th, 1906
1906-07-19 -
[D0628AAQ], Letter from Josiah Custer Reiff to Thomas Alva Edison, November 5th, 1906
1906-11-05 -
[D0628AAR], Letter from Josiah Custer Reiff to Thomas Alva Edison, December 11th, 1906
1906-12-11 -
[D0628AAS], Letter from Josiah Custer Reiff to Thomas Alva Edison, December 22nd, 1906
1906-12-22 -
[D0734AAA], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 18th, 1907
1907-02-18 -
[D0734AAB], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 18th, 1907
1907-02-18 -
[D0734AAC], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 19th, 1907
1907-02-19 -
[D0734AAD], Letter from Josiah Custer Reiff to Thomas Alva Edison, May 21st, 1907
1907-05-21 -
[D0734AAE], Letter from Josiah Custer Reiff to Thomas Alva Edison, June 22nd, 1907
1907-06-22 -
[D0734AAF], Letter from Josiah Custer Reiff to Thomas Alva Edison, September 20th, 1907
1907-09-20 -
[D0734AAG], Letter from Thomas Alva Edison to Josiah Custer Reiff, October 16th, 1907
1907-10-16 -
[D0734AAH], Letter from Josiah Custer Reiff to Thomas Alva Edison, October 27th, 1907
1907-10-27 -
[D0818AAF], Letter from Grant Lewis to Thomas Alva Edison, August 15th, 1908
1908-08-15 -
[D0908AAM], Letter from Frank Lewis Dyer to Western Union, John Charles Barclay, January 29th, 1909
1909-01-29 -
[D0908AAT1], Letter from John Charles Barclay, Western Union to Frank Lewis Dyer, February 5th, 1909
1909-02-05 -
[D0944AAB], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 4th, 1909
1909-02-04 -
[D0944AAC], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 18th, 1909
1909-02-18 -
[D0944AAE], Letter from Josiah Custer Reiff to Thomas Alva Edison, February 26th, 1909
1909-02-26 -
[D0944AAF], Letter from Frank Lewis Dyer to Josiah Custer Reiff, March 9th, 1909
1909-03-09 -
[D0944AAG], Letter from Josiah Custer Reiff to Thomas Alva Edison, May 4th, 1909
1909-05-04 -
[D0944AAJ], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 23rd, 1909
1909-07-23 -
[D0944AAK], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 27th, 1909
1909-07-27 -
[D0944AAN], Letter from Josiah Custer Reiff to Thomas Alva Edison, September 23rd, 1909
1909-09-23 -
[D0944AAO], Letter from Josiah Custer Reiff to Thomas Alva Edison, October 1st, 1909
1909-10-01 -
[D0944AAP], Letter from Josiah Custer Reiff to Thomas Alva Edison, October 15th, 1909
1909-10-15 -
[D0944AAS], Letter from Josiah Custer Reiff to Thomas Alva Edison, December 24th, 1909
1909-12-24 -
[D1016ADX], Letter from Postal Telegraph Cable Co, Minor Meek Davis to Thomas Alva Edison, October 6th, 1910
1910-10-06 -
[D1049AAI], Report from William Henry Meadowcroft, Thomas Alva Edison, 1910
1910-00-00 -
[D6901A], Agreement, Ebenezer Baker Welch, Thomas Alva Edison, April 7th, 1869
1869-04-07 -
[D7309E], Patent Caveat, Thomas Alva Edison, April 1873
1873-04-00 -
[D7401B], Letter from Society of Telegraph Engineers (London), George E Preece to Thomas Alva Edison, September 25th, 1874
1874-09-25 -
[D7411A], Letter from Thomas Alva Edison to William Orton, December 16th, 1874
1874-12-16 -
[D7411B], Letter from William Orton to Thomas Alva Edison, December 17th, 1874
1874-12-17 -
[D7501A], Letter from Ezra Torrance Gilliland, Gilliland & Co to Thomas Alva Edison, February 22nd, 1875
1875-02-22 -
[D7508A], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, January 27th, 1875
1875-01-27 -
[D7508B1], Patent Caveat, Thomas Alva Edison, March 9th, 1875
1875-03-09 -
[D7508B2], Patent Caveat, Thomas Alva Edison, April 12th, 1875
1875-04-12 -
[D7508B3], Letter from Lemuel Wright Serrell to Thomas Alva Edison, March 29th, 1875
1875-03-29 -
[D7508H], Letter from Lemuel Wright Serrell to Thomas Alva Edison, July 1st, 1875
1875-07-01 -
[D7510C], Letter from Brooks Patent Insulator Works, David Brooks to Thomas Alva Edison, April 2nd, 1875
1875-04-02 -
[D7510E], Letter from Robert B Lines to Thomas Alva Edison, July 1st, 1875
1875-07-01 -
[D7510F], Letter from Derrick O Dyer to Thomas Alva Edison, July 9th, 1875
1875-07-09 -
[D7510Q], Letter from Western Union, E R Howe to Thomas Alva Edison, 1875
1875-00-00 -
[D7512N], Memorandum, Thomas Alva Edison, 1875
1875-00-00 -
[D7519B], Letter from Benjamin Franklin Butler to Josiah Custer Reiff, May 27th, 1875
1875-05-27 -
[D7519C], Letter from John Hazlehurst Boneval Latrobe to Josiah Custer Reiff, May 29th, 1875
1875-05-29 -
[D7520A], Letter from George Bartlett Prescott to Thomas Alva Edison, August 10th, 1875
1875-08-10 -
[D7608E], Letter from Frederic Ireland to Thomas Alva Edison, August 15th, 1876
1876-08-15 -
[D7612C], Letter from Lemuel Wright Serrell to Thomas Alva Edison, March 10th, 1876
1876-03-10 -
[D7612D], Letter from Lemuel Wright Serrell to Thomas Alva Edison, April 11th, 1876
1876-04-11 -
[D7612G], Letter from Lemuel Wright Serrell to Thomas Alva Edison, May 10th, 1876
1876-05-10 -
[D7612O], Letter from Lemuel Wright Serrell to Thomas Alva Edison, July 15th, 1876
1876-07-15 -
[D7614C], Letter from Josiah Custer Reiff to Thomas Alva Edison, April 8th, 1876
1876-04-08 -
[D7614C1], Letter from Robert W Russell to U.S. Patent Office. Commissioner, April 15th, 1876
1876-04-15 -
[D7614E], Letter from Direct United States Cable Co Ltd, George G Ward to Thomas Alva Edison, April 18th, 1876
1876-04-18 -
[D7614F], Letter from Thomas Alva Edison to George G Ward, 1876
1876-00-00 -
[D7614J], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 10th, 1876
1876-07-10 -
[D7614K], Letter from Josiah Custer Reiff to Thomas Alva Edison, July 17th, 1876
1876-07-17 -
[D7614R1], Letter from Robert W Russell to Thomas Alva Edison, December 8th, 1876
1876-12-08 -
[D7614X], Essay, Edward Hibberd Johnson, 1876
1876-00-00 -
[D7614Y], Essay, Edward Hibberd Johnson, 1876
1876-00-00 -
[D7614Z1], Memorandum, Robert W Russell, 1876
1876-00-00 -
[D7615A], Letter from Albert B Chandler to Thomas Alva Edison, February 12th, 1876
1876-02-12 -
[D7618A], Letter from Anson Stager to William Orton, January 4th, 1876
1876-01-04 -
[D7618B], Letter from Charles Hamilton Haskins to Charles H Summers, January 2nd, 1876
1876-01-02 -
[D7618F], Letter from Thomas Alva Edison to William Orton, January 26th, 1876
1876-01-26 -
[D7618G], Letter from Thomas Alva Edison to William Orton, January 1876
1876-01-00 -
[D7618O], Letter from Thomas Alva Edison to William Orton, April 1876
1876-04-00 -
[D7618P], Letter from Thomas Alva Edison to William Orton, December 1876
1876-12-00 -
[D7802ZYT], Letter from George Bartlett Prescott to Thomas Alva Edison, September 11th, 1878
1878-09-11 -
[D7802ZYU], Letter from Thomas Alva Edison to George Bartlett Prescott, September 11th, 1878
1878-09-11 -
[D7802ZZDJ], Letter from Josiah Custer Reiff to Thomas Alva Edison, October 2nd, 1878
1878-10-02 -
[D7802ZZDN], Letter from George Bartlett Prescott to Thomas Alva Edison, October 3rd, 1878
1878-10-03 -
[D7802ZZEQ], Letter from George Bartlett Prescott to Thomas Alva Edison, October 11th, 1878
1878-10-11 -
[D7702ZAD], Letter from Leonard Myers to Thomas Alva Edison, July 3rd, 1877
1877-07-03 -
[D7702ZCB], Letter from Thomas Frazer to Thomas Alva Edison, September 16th, 1877
1877-09-16 -
[D7702ZCF], Letter from William Henry Preece to Thomas Alva Edison, September 28th, 1877
1877-09-28 -
[D7715O], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 12th, 1877
1877-06-12 -
[D7715P], Letter from Lemuel Wright Serrell to Thomas Alva Edison, June 20th, 1877
1877-06-20 -
[D7715ZAJ], Letter from Edward Nicoll Dickerson to Thomas Alva Edison, November 10th, 1877
1877-11-10 -
[D7715ZAO], Letter from Lemuel Wright Serrell to Thomas Alva Edison, November 17th, 1877
1877-11-17 -
[D7716ZAI], Letter from Josiah Custer Reiff to Thomas Alva Edison, September 3rd, 1877
1877-09-03 -
[D7717M], Letter from Josiah Custer Reiff to Thomas Alva Edison, April 12th, 1877
1877-04-12 -
[D7717M1], Letter from Daniel H Craig to George Bartlett Prescott, April 20th, 1877
1877-04-20 -
[D7717S], Letter from Edward Hibberd Johnson to Thomas Alva Edison, May 10th, 1877
1877-05-10 -
[D7717U], Letter from Josiah Custer Reiff to Thomas Alva Edison, May 20th, 1877
1877-05-20 -
[D7717ZAD], Agreement, George Bartlett Prescott, Gerritt Smith, Thomas Alva Edison, May 31st, 1877
1877-05-31